Fits Sherpa T models 124, 125, 150, 151, 158, 159, 182, 183, 190, & 191. This also fits Alpina models 165, 166, 187, & 188 models. This chain guard can also be used to replace the plastic chain guards fitted to the 1974-75 model year Alpinas and the 1978-82 Sherpa T models.